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Three-dimensional imaging of dislocation propagation during crystal growth and dissolution

Title data

Clark, Jesse N. ; Ihli, Johannes ; Schenk, Anna ; Kim, Yi-Yeoun ; Kulak, Alexander N. ; Campbell, James M. ; Nisbet, Gareth ; Meldrum, Fiona C. ; Robinson, Ian K.:
Three-dimensional imaging of dislocation propagation during crystal growth and dissolution.
In: Nature Materials. Vol. 14 (2015) . - pp. 780-784.
ISSN 1476-4660
DOI: https://doi.org/10.1038/nmat4320

Abstract in another language

Atomic-level defects such as dislocations play key roles in determining the macroscopic properties of crystalline materials1, 2. Their effects range from increased chemical reactivity3, 4 to enhanced mechanical properties5, 6. Dislocations have been widely studied using traditional techniques such as X-ray diffraction and optical imaging. Recent advances have enabled atomic force microscopy to study single dislocations7 in two dimensions, while transmission electron microscopy (TEM) can now visualize strain fields in three dimensions with near-atomic resolution8, 9, 10. However, these techniques cannot offer three-dimensional imaging of the formation or movement of dislocations during dynamic processes. Here, we describe how Bragg coherent diffraction imaging (BCDI; refs 11, 12) can be used to visualize in three dimensions, the entire network of dislocations present within an individual calcite crystal during repeated growth and dissolution cycles. These investigations demonstrate the potential of BCDI for studying the mechanisms underlying the response of crystalline materials to external stimuli.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Junior Professor Colloidal Systems > Junior Professor Colloidal Systems - Juniorprof. Dr. Anna Schenk
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Junior Professor Colloidal Systems
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 21 Feb 2017 12:54
Last Modified: 16 May 2022 12:31
URI: https://eref.uni-bayreuth.de/id/eprint/36168